could belong
Regular verb: belong - belonged- belonged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could belong
you could belong
she could belong
we could belong
you could belong
they could belong 	I could be belonging
you could be belonging
she could be belonging
we could be belonging
you could be belonging
they could be belonging	I could have belonged
you could have belonged
she could have belonged
we could have belonged
you could have belonged
they could have belonged	I could have been belonging
you could have been belonging
she could have been belonging
we could have been belonging
you could have been belonging
they could have been belonging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not belong
you could not belong
she could not belong
we could not belong
you could not belong
they could not belong 	I could not be belonging
you could not be belonging
she could not be belonging
we could not be belonging
you could not be belonging
they could not be belonging	I could not have belonged
you could not have belonged
she could not have belonged
we could not have belonged
you could not have belonged
they could not have belonged	I could not have been belonging
you could not have been belonging
she could not have been belonging
we could not have been belonging
you could not have been belonging
they could not have been belonging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I belong?
could you belong?
could she belong?
could we belong?
could you belong?
could they belong? 	could I be belonging?
could you be belonging?
could she be belonging?
could we be belonging?
could you be belonging?
could they be belonging? 	could I have belonged?
could you have belonged?
could she have belonged?
could we have belonged?
could you have belonged?
could they have belonged? 	could I have been belonging?
could you have been belonging?
could she have been belonging?
could we have been belonging?
could you have been belonging?
could they have been belonging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not belong?
could you not belong?
could she not belong?
could we not belong?
could you not belong?
could they not belong? 	could I not be belonging?
could you not be belonging?
could she not be belonging?
could we not be belonging?
could you not be belonging?
could they not be belonging? 	could I not have belonged?
could you not have belonged?
could she not have belonged?
could we not have belonged?
could you not have belonged?
could they not have belonged? 	could I not have been belonging?
could you not have been belonging?
could she not have been belonging?
could we not have been belonging?
could you not have been belonging?
could they not have been belonging?